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HVAC Systems Design Handbook part 10

HVAC Systems Design Handbook part 10

HVAC Systems Design Handbook part 10

... website.Equipment: Part 2 355Figure 10. 29Psychrometric chart for Fig. 10. 28, without heat recovery.Figure 10. 30Psychrometric chart for Fig. 10. 28, with heat recovery.Equipment: Part 2Downloaded ... replaced.)5. ASHRAE Handbook, 2000 HVAC Systems and Equipment, Chap. 6, ‘‘Panel Heatingand Cooling.’’6. ASHRAE Handbook, 1999 HVAC Applications, Chap. 32, ‘‘Solar Energy Use.’’Equipment: Part 2Downloaded ... as given at the website.321Chapter 10 Equipment: Part 2Heating 10. 1 IntroductionHeating is the first word in the acronym HVAC. It is the most impor-tant part because without heating mankind...
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HVAC Systems Design Handbook part 6

HVAC Systems Design Handbook part 6

... the Terms of Use as given at the website. Design Procedures: Part 4 1893. ASME, Power Piping Code, ANSI / ASME B31.1-1995.4. ASHRAE Handbook, 2000 HVAC Systems and Applications, Chap. 11, ‘‘District ... ASHRAE Handbook, 2000 HVAC Systems and Applications, Chap. 14, ‘‘Medium- andHigh-Temperature Water-Heating Systems. ’’6. Ingersoll-Rand, Cameron Hydraulic Data, Woodcliff Lake, N.J., 1988. Design ... website. Design Procedures: Part 4 177Figure 6.21Tank at pump suction, pumping away from boiler.Figure 6.22Tank at pump discharge, pumping into boiler. (Not recommended.) Design Procedures: Part...
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HVAC Systems Design Handbook part 8

HVAC Systems Design Handbook part 8

... website.223Chapter8 Design Procedures: Part 6Automatic Controls8.1 Introduction HVAC systems are sized to satisfy a set of design conditions, whichare selected to generate a maximum load. Because these design ... properly designed, operated,and maintained automatic control system is accurate and will provideeconomical operation of the HVAC system. Unfortunately, not all con-trol systems are properly designed, ... sourcesSeveral types of energy are used in control systems. Most older HVAC systems use pneumatic devices, with low-pressure compressed air at0to20lb/in2gauge. Many systems are electric, using 24 to 120...
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HVAC Systems Design Handbook part 7

HVAC Systems Design Handbook part 7

... anotherdiscussion. The HVAC systems designer will recognize plants as po-tential areas of specialty experience as assignments and interest allow.References1. ASHRAE Handbook, 2000 HVAC Systems and Equipment, ... ‘‘Medium and High TemperatureWater Heating Systems. ’’2. ASHRAE Handbook, 1999 HVAC Applications, Chap. 33, ‘‘Thermal Storage.’’ Design Procedures: Part 5Downloaded from Digital Engineering ... Systems and Equipment, Chap. 7, ‘‘Cogeneration Systems ’; Chap. 8, ‘‘Applied Heat Pump and Heat Recovery Systems ’; Chap. 10, Design Procedures: Part 5Downloaded from Digital Engineering Library...
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HVAC Systems Design Handbook part 9

HVAC Systems Design Handbook part 9

... practice, this is usually 10 to20ЊF, although 8 to 10 F is common for vapor compression systems and 15 to 20ЊF is common for absorption systems. The approach is theEquipment: Part 1Downloaded from ... permission from ASHRAE Handbook, 2000 HVAC Systems and Equipment, Chap. 34, Fig.4.)Sizes range up to as high as 200 tons or more in one compressor,although units over 100 tons are rare. If ... aircraftwhere light weight and simplicity are important. Thermoelectric re-Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright...
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HVAC Systems Design Handbook part 11

HVAC Systems Design Handbook part 11

... 1ft 1h 1lbw⌬w ϭ 30,000 Btu/h ϫϫ ϫϫ35555 ft 0.075 lb 60 min 105 9 Btuaϭ 0.0011 lb /lb (11.2)waSource: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill ... altitude on air densityvaries from 10 to 15 percent. This is enough to create serious conse-quences if it is ignored.11 .10 Exhaust Systems Power exhaust systems are required for many areas ... 11.24 (less than 100 percent outside air) or Fig. 11.25 (100 percent outside air). With 100 percent outside air it is preferable to provide a time delay in the sup-Equipment: Part 3Downloaded...
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HVAC Systems Design Handbook part 12

HVAC Systems Design Handbook part 12

... 406 Chapter Twelve1. UPS systems may be a useful, even required component of a critical HVAC service and will be included in the HVAC and electric system design. 2. UPS systems themselves create ... of remote origin. The HVAC designer must work closely with the electrical designer to sat-isfy the needs of both disciplines.12.13 SummaryIn building construction, HVAC design is interwoven ... website.397Chapter12Electrical Featuresof HVAC Systems 12.1 IntroductionWhile most HVAC designers will have the support of a competent elec-trical design staff, it is important to understand...
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HVAC Systems Design Handbook part 13

HVAC Systems Design Handbook part 13

... identified as being ofparamount importance to the relationship between owner and con-Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... science, but it can andmust be mastered by HVAC system designers. The drawings and spec-ifications complement each other, complete the design, and are part ofthe legally binding commitment of ... Construction Specifications Institute, MasterFormat.4. ASHRAE Handbook, 2000 HVAC Systems and Equipment, Chap. 48, ‘‘Codes andStandards.’’ Design Documentation: Drawings and SpecificationsDownloaded...
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HVAC Systems Design Handbook part 14

HVAC Systems Design Handbook part 14

... project designer.14.2 Participation during ConstructionDesigner participation during construction and beyond varies greatlywith design office practice and with the owner’s desires. Some design offices ... during construction, relieving the design office of any possible in-volvement, except to clarify a conflict in documents or a design error.Source: HVAC Systems Design Handbook Downloaded from Digital ... building and its systems. 14.3.3 Observation of operationMany specifications require the HVAC contractor to certify in writingthat the HVAC systems and controls are operating as designed andspecified....
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Tài liệu HVAC Systems Design Handbook part 15 pptx

Tài liệu HVAC Systems Design Handbook part 15 pptx

... value of the final report will re-late strongly to the clarity of this definition.Source: HVAC Systems Design Handbook Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)Copyright ... of Use as given at the website.439Chapter15Technical Report Writing15.1 IntroductionAn HVAC designer is almost certain to be faced with the need to writereports. The ability to produce ... FifteenFigure 15.3Report organization. Note that figures and tables for each part of the reportgo behind the text for that part. techniques. Almost any binding system which delivers a neat and de-sirable...
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